场上下模型及其在YbCl3.6H2O顺磁弛豫中的应用

H. Winkler, P. Alwardt, E. Gerdau
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引用次数: 0

摘要

如果考虑声子色散,在45 K时,ybcl3.6 h2o弛豫速率的温度依赖性可以用拉曼过程来解释。用场上下模型对实测的穆斯堡尔谱进行了分析。指出在光谱中除了常见的洛伦兹项外,还发现了“类色散”项。
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THE FIELD UP-DOWN MODEL AND ITS APPLICATION TO PARAMAGNETIC RELAXATION IN YbCl3.6H2O
The temperature dependence of the relaxation rates in YbCl 3 .6H 2 O up to 45 K can be explained by the Raman pro cess if phonon dispersion is considered. The analysis of the measured Mossbauer spectra has been performed by means of the field up-down model. It is pointed out that there are found "dispersionlike" terms in the spectra in addition to the usual Lorentzians.
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